# TPMS CN vs 昼师

TPMS CN and 昼师 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TPMS CN | 昼师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 100 MB | 101 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xi'an Tonglu Car Electronics Co., Ltd](https://appshunter.io/developer/1756468712) | [Guangzhou Zhoushi Car Technology Co., Ltd.](https://appshunter.io/developer/1884551511) |

## What reviewers say

### TPMS CN

[App page](https://appshunter.io/ios/app/tpms-cn/id6529535145)

**Features:** macOS Compatibility

**In-app purchases:** none


### 昼师

[App page](https://appshunter.io/ios/app/id6760455268)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TPMS CN free?

TPMS CN is free to download, with no in-app purchases.

### Is 昼师 free?

昼师 is free to download, with no in-app purchases.

### Do TPMS CN or 昼师 have ads?

Neither TPMS CN nor 昼师 shows ads.

### Which is updated more often, TPMS CN or 昼师?

TPMS CN ships an update monthly, and 昼师 monthly. Most recently, TPMS CN was updated on October 27, 2026 and 昼师 on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*